diff --git a/pkgs/applications/editors/emacs/elisp-packages/isearch-plus/default.nix b/pkgs/applications/editors/emacs/elisp-packages/isearch-plus/default.nix
new file mode 100644
index 00000000000..64cfbde98b7
--- /dev/null
+++ b/pkgs/applications/editors/emacs/elisp-packages/isearch-plus/default.nix
@@ -0,0 +1,36 @@
+{ stdenv, fetchFromGitHub, emacs, lib }:
+
+stdenv.mkDerivation {
+  pname = "isearch-plus";
+  version = "2021-01-01";
+
+  src = fetchFromGitHub {
+    owner = "emacsmirror";
+    repo = "isearch-plus";
+    rev = "376a8f9f8a9666d7e61d125abcdb645847cb8619";
+    sha256 = "sha256-Kd5vpu+mI1tJPcsu7EpnnBcPVdVAijkAeTz+bLB3WlQ=";
+  };
+
+  buildInputs = [ emacs ];
+
+  buildPhase = ''
+    runHook preBuild
+    emacs -L . --batch -f batch-byte-compile *.el
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -d $out/share/emacs/site-lisp
+    install *.el *.elc $out/share/emacs/site-lisp
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Extensions to isearch";
+    homepage = "https://www.emacswiki.org/emacs/download/isearch%2b.el";
+    license = lib.licenses.gpl2Plus;
+    maintainers = with lib.maintainers; [ leungbk ];
+    platforms = emacs.meta.platforms;
+  };
+}
diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages.nix
index 80cc7578b4f..fc71bc574b6 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages.nix
@@ -111,6 +111,8 @@
 
   helm-words = callPackage ./helm-words { };
 
+  isearch-plus = callPackage ./isearch-plus { };
+
   jam-mode = callPackage ./jam-mode { };
 
   llvm-mode = trivialBuild {